{% extends "base.html" %}

{% block title %}Tasks - BotServer{% endblock %}

{% block content %}
<div class="tasks-container">
    <!-- Tasks Header -->
    <div class="tasks-header">
        <h1>Tasks</h1>
        <div class="tasks-actions">
            <button class="btn btn-primary"
                    hx-get="/api/tasks/new"
                    hx-target="#modal-container"
                    hx-swap="innerHTML">
                <span>➕</span> New Task
            </button>
            <button class="btn btn-secondary"
                    hx-post="/api/tasks/refresh"
                    hx-target="#tasks</span>-board"
                    hx-swap="innerHTML">
                <span>🔄</span> Refresh
            </button>
        </div>
    </div>

    <!-- Main Content -->
    <div class="tasks-content">
        <!-- Sidebar -->
        <div class="tasks-sidebar">
            <!-- Views -->
            <div class="task-views">
                <div class="sidebar-item active"
                     hx-get="/api/tasks?view=all"
                     hx-target="#tasks-board"
                     hx-swap="innerHTML">
                    <span>📋</span> All Tasks
                </div>
                <div class="sidebar-item"
                     hx-get="/api/tasks?view=today"
                     hx-target="#tasks-board"
                     hx-swap="innerHTML">
                    <span>📅</span> Today
                </div>
                <div class="sidebar-item"
                     hx-get="/api/tasks?view=week"
                     hx-target="#tasks-board"
                     hx-swap="innerHTML">
                    <span>📆</span> This Week
                </div>
                <div class="sidebar-item"
                     hx-get="/api/tasks?view=assigned"
                     hx-target="#tasks-board"
                     hx-swap="innerHTML">
                    <span>👤</span> Assigned to Me
                </div>
                <div class="sidebar-item"
                     hx-get="/api/tasks?view=completed"
                     hx-target="#tasks-board"
                     hx-swap="innerHTML">
                    <span>✅</span> Completed
                </div>
            </div>

            <!-- Projects -->
            <div class="task-projects">
                <div class="projects-header">
                    <span>Projects</span>
                    <button class="add-btn"
                            hx-get="/api/projects/new"
                            hx-target="#modal-container"
                            hx-swap="innerHTML">+</button>
                </div>
                <div class="projects-list" id="projects-list"
                     hx-get="/api/projects"
                     hx-trigger="load"
                     hx-swap="innerHTML">
                    <div class="loading-small">Loading projects...</div>
                </div>
            </div>

            <!-- Tags -->
            <div class="task-tags">
                <div class="tags-header">Tags</div>
                <div class="tags-list" id="tags-list"
                     hx-get="/api/tasks/tags"
                     hx-trigger="load"
                     hx-swap="innerHTML">
                    <div class="tag-item">
                        <span class="tag-color" style="background: #3b82f6;"></span>
                        <span>Important</span>
                        <span class="tag-count">5</span>
                    </div>
                    <div class="tag-item">
                        <span class="tag-color" style="background: #10b981;"></span>
                        <span>Personal</span>
                        <span class="tag-count">3</span>
                    </div>
                    <div class="tag-item">
                        <span class="tag-color" style="background: #f59e0b;"></span>
                        <span>Work</span>
                        <span class="tag-count">12</span>
                    </div>
                </div>
            </div>
        </div>

        <!-- Tasks Board -->
        <div class="tasks-main">
            <!-- View Selector -->
            <div class="view-selector">
                <button class="view-btn active" onclick="setView('kanban')">
                    <span>📊</span> Kanban
                </button>
                <button class="view-btn" onclick="setView('list')">
                    <span>📝</span> List
                </button>
                <button class="view-btn" onclick="setView('calendar')">
                    <span>📅</span> Calendar
                </button>
            </div>

            <!-- Search and Filters -->
            <div class="tasks-toolbar">
                <div class="search-box">
                    <input type="text"
                           placeholder="Search tasks..."
                           name="query"
                           hx-get="/api/tasks/search"
                           hx-trigger="keyup changed delay:500ms"
                           hx-target="#tasks-board"
                           hx-swap="innerHTML">
                </div>
                <div class="filter-controls">
                    <select class="filter-select"
                            hx-get="/api/tasks"
                            hx-trigger="change"
                            hx-target="#tasks-board"
                            hx-include="[name='status']">
                        <option value="">All Status</option>
                        <option value="todo">To Do</option>
                        <option value="in-progress">In Progress</option>
                        <option value="review">Review</option>
                        <option value="done">Done</option>
                    </select>
                    <select class="filter-select"
                            hx-get="/api/tasks"
                            hx-trigger="change"
                            hx-target="#tasks-board"
                            hx-include="[name='priority']">
                        <option value="">All Priority</option>
                        <option value="high">High</option>
                        <option value="medium">Medium</option>
                        <option value="low">Low</option>
                    </select>
                </div>
            </div>

            <!-- Tasks Board -->
            <div class="tasks-board" id="tasks-board"
                 hx-get="/api/tasks/board"
                 hx-trigger="load, every 30s"
                 hx-swap="innerHTML">
                <!-- Kanban View (default) -->
                <div class="kanban-board">
                    <div class="kanban-column">
                        <div class="column-header">
                            <h3>To Do</h3>
                            <span class="task-count">0</span>
                        </div>
                        <div class="column-tasks"
                             hx-post="/api/tasks/drop"
                             hx-trigger="drop"
                             data-status="todo">
                            <div class="empty-state">No tasks</div>
                        </div>
                        <button class="add-task-btn"
                                hx-get="/api/tasks/quick-add?status=todo"
                                hx-target="#modal-container"
                                hx-swap="innerHTML">
                            + Add Task
                        </button>
                    </div>

                    <div class="kanban-column">
                        <div class="column-header">
                            <h3>In Progress</h3>
                            <span class="task-count">0</span>
                        </div>
                        <div class="column-tasks"
                             hx-post="/api/tasks/drop"
                             hx-trigger="drop"
                             data-status="in-progress">
                            <div class="empty-state">No tasks</div>
                        </div>
                        <button class="add-task-btn"
                                hx-get="/api/tasks/quick-add?status=in-progress"
                                hx-target="#modal-container"
                                hx-swap="innerHTML">
                            + Add Task
                        </button>
                    </div>

                    <div class="kanban-column">
                        <div class="column-header">
                            <h3>Review</h3>
                            <span class="task-count">0</span>
                        </div>
                        <div class="column-tasks"
                             hx-post="/api/tasks/drop"
                             hx-trigger="drop"
                             data-status="review">
                            <div class="empty-state">No tasks</div>
                        </div>
                        <button class="add-task-btn"
                                hx-get="/api/tasks/quick-add?status=review"
                                hx-target="#modal-container"
                                hx-swap="innerHTML">
                            + Add Task
                        </button>
                    </div>

                    <div class="kanban-column">
                        <div class="column-header">
                            <h3>Done</h3>
                            <span class="task-count">0</span>
                        </div>
                        <div class="column-tasks"
                             hx-post="/api/tasks/drop"
                             hx-trigger="drop"
                             data-status="done">
                            <div class="empty-state">No tasks</div>
                        </div>
                        <button class="add-task-btn"
                                hx-get="/api/tasks/quick-add?status=done"
                                hx-target="#modal-container"
                                hx-swap="innerHTML">
                            + Add Task
                        </button>
                    </div>
                </div>
            </div>
        </div>

        <!-- Task Details Panel -->
        <div class="task-details" id="task-details" style="display: none;">
            <div class="details-header">
                <h3>Task Details</h3>
                <button class="close-btn" onclick="closeTaskDetails()">✕</button>
            </div>
            <div class="details-content" id="task-details-content">
                <!-- Task details loaded here -->
            </div>
        </div>
    </div>
</div>

<!-- Modal Container -->
<div id="modal-container"></div>

<!-- Task Card Template -->
<template id="task-card-template">
    <div class="task-card" draggable="true">
        <div class="task-priority"></div>
        <div class="task-title"></div>
        <div class="task-description"></div>
        <div class="task-meta">
            <span class="task-due"></span>
            <span class="task-assignee"></span>
        </div>
        <div class="task-tags"></div>
    </div>
</template>

<style>
.tasks-container {
    height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
}

.tasks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.tasks-actions {
    display: flex;
    gap: 0.5rem;
}

.tasks-content {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.tasks-sidebar {
    width: 260px;
    background: var(--surface);
    border-right: 1px solid var(--border);
    overflow-y: auto;
}

.task-views {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.sidebar-item:hover {
    background: var(--hover);
}

.sidebar-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 500;
}

.task-projects {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

.projects-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.add-btn {
    background: none;
    border: 1px solid var(--border);
    border-radius: 4px;
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.task-tags {
    padding: 1rem;
}

.tags-header {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.tag-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0;
    cursor: pointer;
}

.tag-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.tag-count {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.tasks-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--background);
}

.view-selector {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.view-btn {
    padding: 0.5rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

.tasks-toolbar {
    display: flex;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.search-box {
    flex: 1;
}

.search-box input {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    font-size: 0.875rem;
}

.filter-controls {
    display: flex;
    gap: 0.5rem;
}

.filter-select {
    padding: 0.625rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    font-size: 0.875rem;
    cursor: pointer;
}

.tasks-board {
    flex: 1;
    overflow: auto;
    padding: 1.5rem;
}

.kanban-board {
    display: flex;
    gap: 1rem;
    min-height: 100%;
}

.kanban-column {
    flex: 1;
    min-width: 280px;
    background: var(--surface);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
}

.column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 2px solid var(--border);
}

.column-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.task-count {
    background: var(--border);
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
    font-size: 0.875rem;
}

.column-tasks {
    flex: 1;
    padding: 0.75rem;
    min-height: 200px;
}

.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 2rem;
    font-size: 0.875rem;
}

.add-task-btn {
    margin: 0.75rem;
    padding: 0.5rem;
    background: none;
    border: 1px dashed var(--border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
}

.add-task-btn:hover {
    background: var(--hover);
    border-style: solid;
}

.task-card {
    background: var(--background);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.875rem;
    margin-bottom: 0.5rem;
    cursor: move;
    transition: all 0.2s;
}

.task-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.task-card.dragging {
    opacity: 0.5;
}

.task-priority {
    width: 100%;
    height: 3px;
    border-radius: 2px;
    margin-bottom: 0.5rem;
}

.task-priority.high {
    background: #ef4444;
}

.task-priority.medium {
    background: #f59e0b;
}

.task-priority.low {
    background: #10b981;
}

.task-title {
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.task-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.task-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.task-due {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.task-assignee {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.task-tags {
    display: flex;
    gap: 0.25rem;
    flex-wrap: wrap;
}

.task-tag {
    padding: 0.125rem 0.5rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 12px;
    font-size: 0.75rem;
}

.task-details {
    width: 400px;
    background: var(--surface);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.details-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.details-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.loading-small {
    padding: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* List View */
.list-view {
    display: none;
}

.list-view.active {
    display: block;
}

.task-list-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.task-checkbox {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Calendar View */
.calendar-view {
    display: none;
}

.calendar-view.active {
    display: block;
}

/* Responsive */
@media (max-width: 1024px) {
    .tasks-sidebar {
        width: 220px;
    }

    .task-details {
        width: 350px;
    }
}

@media (max-width: 768px) {
    .tasks-sidebar {
        display: none;
    }

    .task-details {
        position: fixed;
        top: 0;
        right: -100%;
        bottom: 0;
        width: 100%;
        z-index: 1000;
        transition: right 0.3s;
    }

    .task-details.active {
        right: 0;
    }

    .kanban-board {
        flex-direction: column;
    }

    .kanban-column {
        width: 100%;
    }
}
</style>

<script>
// View switching
function setView(viewType) {
    // Update active button
    document.querySelectorAll('.view-btn').forEach(btn => {
        btn.classList.remove('active');
    });
    event.target.closest('.view-btn').classList.add('active');

    // Load view
    htmx.ajax('GET', `/api/tasks?view=${viewType}`, {
        target: '#tasks-board',
        swap: 'innerHTML'
    });
}

// Drag and drop
let draggedTask = null;

document.addEventListener('dragstart', function(e) {
    if (e.target.classList.contains('task-card')) {
        draggedTask = e.target;
        e.target.classList.add('dragging');
    }
});

document.addEventListener('dragend', function(e) {
    if (e.target.classList.contains('task-card')) {
        e.target.classList.remove('dragging');
    }
});

document.addEventListener('dragover', function(e) {
    e.preventDefault();
    const column = e.target.closest('.column-tasks');
    if (column && draggedTask) {
        const afterElement = getDragAfterElement(column, e.clientY);
        if (afterElement == null) {
            column.appendChild(draggedTask);
        } else {
            column.insertBefore(draggedTask, afterElement);
        }
    }
});

document.addEventListener('drop', function(e) {
    e.preventDefault();
    const column = e.target.closest('.column-tasks');
    if (column && draggedTask) {
        const taskId = draggedTask.dataset.taskId;
        const newStatus = column.dataset.status;

        // Update task status via HTMX
        htmx.ajax('POST', '/api/tasks/update-status', {
            values: {
                task_id: taskId,
                status: newStatus
            }
        });
    }
    draggedTask = null;
});

function getDragAfterElement(container, y) {
    const draggableElements = [...container.querySelectorAll('.task-card:not(.dragging)')];

    return draggableElements.reduce((closest, child) => {
        const box = child.getBoundingClientRect();
        const offset = y - box.top - box.height / 2;

        if (offset < 0 && offset > closest.offset) {
            return { offset: offset, element: child };
        } else {
            return closest;
        }
    }, { offset: Number.NEGATIVE_INFINITY }).element;
}

// Task details
function openTaskDetails(taskId) {
    document.getElementById('task-details').style.display = 'flex';

    // Load task details
    htmx.ajax('GET', `/api/tasks/${taskId}`, {
        target: '#task-details-content',
        swap: 'innerHTML'
    });
}

function closeTaskDetails() {
    document.getElementById('task-details').style.display = 'none';
}

// Handle task card clicks
document.addEventListener('htmx:afterSwap', function(evt) {
    if (evt.detail.target.id === 'tasks-board') {
        // Attach click handlers to task cards
        document.querySelectorAll('.task-card').forEach(card => {
            card.addEventListener('click', function(e) {
                if (!e.target.classList.contains('task-checkbox')) {
                    const taskId = this.dataset.taskId;
                    if (taskId) {
                        openTaskDetails(taskId);
                    }
                }
            });
        });

        // Update task counts
        document.querySelectorAll('.kanban-column').forEach(column => {
            const count = column.querySelectorAll('.task-card').length;
            column.querySelector('.task-count').textContent = count;
        });
    }
});

// Initialize on load
document.addEventListener('DOMContentLoaded', function() {
    // Load initial data
    htmx.ajax('GET', '/api/tasks/stats', {
        swap: 'none'
    }).then(response => {
        // Update stats if needed
    });
});
</script>
{% endblock %}